Astrobiology

This artist’s conception shows a disk of dust and gas surrounding a young star with a large cavity carved out by a forming giant planet. The warm methanol gas tracing

TOI-6894b Exoplanet – artist’s impression Credit University of Warwick/Mark Garlick The host star, TOI-6894, is a red dwarf with only 20% the mass of the Sun, typical of the most

a–c, Spatial distribution of the biogeographical sectors in bioregions of mammals (a), amphibians (b) and reptiles (c). Icons indicate the taxonomic group to which bioregions correspond.The biogeographical interpretations of the

A summary schematic of assumptions that are made in planet formation modeling, protoplanetary disk modeling, and exoplanet atmospheric modeling. We note that several of the presented variables can be directly

Sketch illustrating the dynamical evolution of the solar system planets during and after disk dissipation. The two-sided arrows represent the existence of mean motion resonances. Blue and brown scatters represent

An artist’s rendering of the warm exoplanet WASP-80 b and an overview of its planet-system parameters. Planet image credit: NASA/Ames Research Center. astro-ph.EP WASP-80 b, a warm sub-Jovian (equilibrium temperature

Telluric-corrected HARPS observations at the sodium doublet, obtained on two nights nearly one year apart, vertically offset for clarity. In both nights, significant disk line absorption is visible, as well

A human astronaut under some form of deep sleep or “suspended animation” — Grok via Astrobiology.com Background: With renewed interest in long-duration space missions, there is growing exploration into synthetic

Early Earth — Grok via Astrobiology.com The unambiguous detection of biosignatures in exoplanet atmospheres is a primary objective for astrobiologists and exoplanet astronomers. The primary methodology is the observation of